c pius

tengkaihual 2022-09-03 9:39:56 7 返回题目

#include using namespace std; int main(){ int a,n,b; cin>>a>>n; for(int i=1;i<=n;i++){ b=a%10; //a/=10; if(a == 0){b=0;} a/=10; } cout<<b; return 0; }

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